// Copyright (C) 2019-2023 Aleo Systems Inc.
// This file is part of the snarkVM library.

// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at:
// http://www.apache.org/licenses/LICENSE-2.0

// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#![forbid(unsafe_code)]
#![warn(clippy::cast_possible_truncation)]

pub mod helpers;

mod block;
pub use block::*;

mod consensus;
pub use consensus::*;

mod program;
pub use program::*;

mod transaction;
pub use transaction::*;

mod transition;
pub use transition::*;

#[macro_export]
macro_rules! cow_to_copied {
    ($cow:expr) => {
        match $cow {
            std::borrow::Cow::Borrowed(inner) => *inner,
            std::borrow::Cow::Owned(inner) => inner,
        }
    };
}

#[macro_export]
macro_rules! cow_to_cloned {
    ($cow:expr) => {
        match $cow {
            std::borrow::Cow::Borrowed(inner) => (*inner).clone(),
            std::borrow::Cow::Owned(inner) => inner,
        }
    };
}

use console::prelude::{bail, Result};

#[derive(Copy, Clone, Debug, PartialEq, Eq)]
pub enum FinalizeMode {
    /// Invoke finalize as a real run.
    RealRun,
    /// Invoke finalize as a dry run.
    DryRun,
}

impl FinalizeMode {
    /// Returns the u8 value of the finalize mode.
    #[inline]
    pub const fn to_u8(self) -> u8 {
        match self {
            Self::RealRun => 0,
            Self::DryRun => 1,
        }
    }

    /// Returns a finalize mode from a given u8.
    #[inline]
    pub fn from_u8(value: u8) -> Result<Self> {
        match value {
            0 => Ok(Self::RealRun),
            1 => Ok(Self::DryRun),
            _ => bail!("Invalid finalize mode of '{value}'"),
        }
    }
}
